Commissioning Manager

365 Recruit; Brentford; On-site; GBP 65,000 - 90,000; Full time

Job summary

365 Recruit is seeking an experienced Mechanical Commissioning Manager to join a major construction project in Brentford. You will oversee the commissioning of mechanical building services and ensure systems are tested, commissioned and handed over in line with programme, design and standards.

The role requires hands-on leadership across HVAC, ventilation, heating and water systems, with responsibility for planning, coordinating subcontractors, reviewing test records and ensuring safe delivery

Qualifications

• Experience as Mechanical Commissioning Manager on major construction projects.
• Strong knowledge of mechanical building services and commissioning procedures.
• Experience managing subcontractors and specialist commissioning teams.
• Understanding of HVAC, water systems, and BMS controls.
• Experience through full commissioning lifecycle from installation to handover.
• Ability to read mechanical drawings, specifications, and commissioning schedules.
• Understanding of commissioning programmes, QA and handover requirements.
• Excellent communication and coordination with contractors and client teams.

Responsibilities

• Manage the mechanical commissioning process from pre-commissioning to final handover.
• Develop and manage commissioning programmes, plans and schedules.
• Coordinate commissioning activities across mechanical subcontractors and engineers.
• Oversee commissioning of HVAC, ventilation, heating, cooling, water and related plant.
• Review commissioning docs, method statements and test records.
• Ensure systems installed correctly and ready for testing.
• Witness testing and verify results meet specs.
• Identify issues and coordinate resolution with subcontractors.
• Monitor progress against programme and report risks.
• Coordinate interfaces between mechanical and electrical systems, BMS.
• Maintain records of actions and progress; ensure documentation is completed.

Skills

Commissioning procedures

Contractor coordination

HVAC systems

Quality assurance

Project coordination

Communication

Education

Mechanical/building services qualification

SMSTS or site management qualification

CSCS card

CIBSE/CSA membership advantageous

Tools

BMS controls

Job description

We are currently recruiting for an experienced Mechanical Commissioning Manager to join a major construction project in Brentford.

The successful candidate will take responsibility for managing and coordinating the commissioning of mechanical building services, ensuring systems are fully tested, commissioned and handed over in accordance with the project programme, design requirements and relevant standards.

Key Responsibilities

• Manage the mechanical commissioning process from pre-commissioning through to final handover.
• Develop, review and manage commissioning programmes, plans and schedules in line with the overall construction programme.
• Coordinate commissioning activities across mechanical subcontractors, specialist commissioning engineers and the wider project team.
• Oversee the commissioning of mechanical systems including HVAC, ventilation, heating, chilled water, domestic water, drainage and associated plant.
• Review commissioning documentation, method statements, testing procedures and commissioning records.
• Ensure systems are installed correctly and ready for testing and commissioning prior to works commencing.
• Witness testing and commissioning activities and ensure results meet design specifications and performance requirements.
• Identify commissioning issues, defects and outstanding works and coordinate their resolution with relevant subcontractors.
• Work closely with the M&E Manager, Project Manager, design team, consultants and client representatives.
• Monitor commissioning progress against programme and report on risks, delays and outstanding actions.
• Coordinate interfaces between mechanical systems, electrical systems, BMS and controls.
• Manage commissioning meetings and maintain accurate records of actions and progress.
• Ensure all commissioning documentation, test certificates, O&M information and handover records are completed correctly.
• Support integrated systems testing, demonstration and client training where required.
• Ensure commissioning activities are undertaken safely and in accordance with project health & safety requirements.

Experience Required

• Previous experience working as a Mechanical Commissioning Manager or Senior Mechanical Commissioning Engineer on major construction projects.
• Strong technical knowledge of mechanical building services and commissioning procedures.
• Experience managing mechanical subcontractors and specialist commissioning teams.
• Good understanding of HVAC, heating, cooling, ventilation, water systems, BMS and associated controls.
• Experience working through the full commissioning lifecycle from installation and pre-commissioning through to testing, witnessing and final handover.
• Ability to read and interpret mechanical drawings, specifications, commissioning schedules and technical documentation.
• Strong understanding of commissioning programmes, quality assurance and project handover requirements.
• Excellent communication and coordination skills with the ability to work effectively with contractors, consultants and client teams.

Qualifications

• Relevant mechanical/building services qualification or substantial equivalent industry experience.
• SMSTS or equivalent site management qualification preferred.
• CSCS card appropriate to the role.
• Commissioning-specific qualifications or membership of CIBSE/CSA would be advantageous.

The successful candidate will be an experienced, hands-on commissioning professional capable of taking ownership of the mechanical commissioning process and driving the project through testing, completion and successful handover